Graphica gauges and tools manufactures and exports a wide range of thread ring gauges. These are precision engineered to provide efficient performance. These thread ring gauges are designed as per is, bs, din & american standards. As part of that the company offers unified gauges. These are manufactured using supreme quality raw materials to ensure accurate performance. These are offered various diameter, thickness and length. Manufactured from excellent grade of raw materials, these unified gauges are rust free.